tests/tcg/mips/mips64-dsp/dextpdpv.c

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rt, rs, dsp;
   6     long long achi, acli;
   7     long long res, resdsp, resdsppos;
   8     int rsdsp;
   9     int tmp1, tmp2;
  10
  11     rsdsp = 0xabcd1234;
  12     rs = 0x7;
  13     achi = 0x12345678;
  14     acli = 0x87654321;
  15     res = 0xff;
  16     resdsp = 0x0;
  17     resdsppos = 0x2c;
  18
  19     __asm
  20         ("mthi %2, $ac1\n\t"
  21          "mtlo %3, $ac1\n\t"
  22          "wrdsp %4, 0x1\n\t"
  23          "wrdsp %4\n\t"
  24          "dextpdpv %0, $ac1, %5\n\t"
  25          "rddsp %1\n\t"
  26          : "=r"(rt), "=r"(dsp)
  27          : "r"(achi), "r"(acli), "r"(rsdsp), "r"(rs)
  28         );
  29
  30     tmp1 = (dsp >> 14) & 0x1;
  31     tmp2 = dsp & 0x3f;
  32
  33     if ((tmp1 != resdsp) || (rt != res) || (tmp2 != resdsppos)) {
  34         printf("dextpdpv error\n");
  35         return -1;
  36     }
  37
  38     rsdsp = 0xabcd1200;
  39     rs = 0x7;
  40     achi = 0x12345678;
  41     acli = 0x87654321;
  42     resdsp = 0x1;
  43
  44     __asm
  45         ("mthi %2, $ac1\n\t"
  46          "mtlo %3, $ac1\n\t"
  47          "wrdsp %4, 0x1\n\t"
  48          "wrdsp %4\n\t"
  49          "dextpdpv %0, $ac1, %5\n\t"
  50          "rddsp %1\n\t"
  51          : "=r"(rt), "=r"(dsp)
  52          : "r"(achi), "r"(acli), "r"(rsdsp), "r"(rs)
  53         );
  54
  55     tmp1 = (dsp >> 14) & 0x1;
  56
  57     if (tmp1 != resdsp) {
  58         printf("dextpdpv error\n");
  59         return -1;
  60     }
  61
  62     return 0;
  63 }